const createError = require('http-errors');
const express = require('express');
const path = require('path');
const cookieParser = require('cookie-parser');
const logger = require('morgan');

const indexRouter = require('./routes/index');
const usersRouter = require('./routes/users');
const ModsPackController = require('./routes/ModsPackController');
const ModsPackAttachController = require('./routes/ModsPackAttachController');
const fs = require('fs');
const bodyParser = require('body-parser');

const app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
// 解析 application/json
app.use(bodyParser.json());
// 解析 url编码
app.use(bodyParser.urlencoded({ extended: true }));

// 控制器
app.use('/api', indexRouter);
app.use('/api/users', usersRouter);
app.use('/api/mods-pack', ModsPackController);
app.use('/api/mods-pack-attach', ModsPackAttachController);

// 访问静态资源
app.use(express.static(path.resolve(__dirname, '../frontend/dist')))
// 访问单页
app.get('*', function (req, res) {
 var html = fs.readFileSync(path.resolve(__dirname, '../frontend/dist/index.html'), 'utf-8')
 res.send(html)
})

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;
